IPv4 Subnet Calculator
A tool for network engineers to calculate subnet details. Enter an IP address and CIDR to get the Network Address, Broadcast Address, and usable host range.
1When to use this tool?
💡Designing or splitting network ranges
💡Calculating IP ranges for firewall settings
💡Determining the number of usable hosts
2Features
- Automatic Network Class detection
- Calculates usable host range
- Wildcard mask calculation
- Binary representation
3How to Use
- Enter an IP address (e.g., 192.168.0.1).
- Select or enter the CIDR notation (e.g., /24).
- View the calculated network details.
FAQ
Q. What is CIDR?
A. CIDR (Classless Inter-Domain Routing) is a method for allocating IP addresses and IP routing, represented by a slash followed by the number of bits (e.g., /24).